package com.itheima.reggie.contreller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetmealDishService;
import com.itheima.reggie.service.SetmealService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@RestController
@RequestMapping("/setmeal")
public class SetmealController {

    @Autowired
    private CategoryService categoryService;
    @Autowired
    private SetmealDishService setmealDishService;
    @Autowired
    private SetmealService setmealService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    public R<String> save(@RequestBody  SetmealDto setmealDto){

        setmealService.saveWithDish(setmealDto);
        String key="dish_"+setmealDto.getCategoryId()+"_1";
        redisTemplate.delete(key);
        return R.success("新增套餐成功");
    }

    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name){
        Page<Setmeal> pageInfo=new Page<>(page,pageSize);

        Page<SetmealDto> dtoPage=new Page<>();


        LambdaQueryWrapper<Setmeal> queryWrapper=new LambdaQueryWrapper<>();

        queryWrapper.like(name!=null,Setmeal::getName,name);
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo,queryWrapper);

        BeanUtils.copyProperties(pageInfo,dtoPage,"records");

        List<Setmeal> recorde=pageInfo.getRecords();

        List<SetmealDto> list=recorde.stream().map((item)->{

            SetmealDto setmealDto=new SetmealDto();
            BeanUtils.copyProperties(item,setmealDto);
            Long categoryId=item.getCategoryId();
            Category category=categoryService.getById(categoryId);
            if(category!=null){
                String categoryName= category.getName();
                setmealDto.setCategoryName(categoryName);
            }
            return setmealDto;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);

        return R.success(dtoPage);
    }

    @DeleteMapping
    @CacheEvict(value = "setmealCache",allEntries = true)
    public R<String> delete(@RequestParam List<Long> ids){
        setmealService.removeWithDish(ids);
        return R.success("删除成功");
    }

    @GetMapping("/list")
    @Cacheable(value = "setmealCache",key = "#setmeal.categoryId +'_'+#setmeal.status")
    public R<List<Setmeal>> list( Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId()!=null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus()!=null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list=setmealService.list(queryWrapper);
        return R.success(list);

    }
}
